Tetration

Origin

- + iteration; coined by Reuben Louis Goodstein

Noun

tetration

(uncountable)

(arithmetic) The arithmetic operator consisting of repeated exponentiation, by analogy with exponentiation being repeated multiplication and multiplication being repeated addition,

ba denoting a to the power of a to the power of ... to the power of a, in which a appears b times. Notation: ^ba, ''

a\uparrow\uparrow b

or

a\rightarrow b\rightarrow 2

Synonyms

exponential map, hyper4, hyperpower, power tower, superexponentiation